| 变量所属类型 Type of variable | 变量 Variable | 地理位置
Site | 纬度(° N)、经度(° E)、海拔(m)
Latitude (° N), Longitude (° E), Altitude (m) | 气象因素
Climate factor | 年平均气温(℃), 年降水量(mm), 年蒸发散(mm), 干燥指数(mm·mm-1), 试验地当年平均气温(℃), 试验地当年降水量(mm)
Mean annual temperature (℃), mean annual precipitation (mm), annual evapotranspiration (mm), aridity index (mm·mm-1), mean annual temperature of study sites (℃), mean annual precipitation of study sites (mm) | 植被因素
Vegetation factor | 林分类型, 林龄(a), 叶面积指数(m2·m-2)
Stand type, stand age (a), leaf area index (m2·m-2) | 土壤温湿度
Soil temperature and moisture | 测量期间平均土壤温度(℃), 测量期间土壤温度振幅(℃), 测量期间土壤体积含水率(m3·m-3), 测量期间土壤质量含水率(%)
Mean soil temperature during measurement (℃), soil temperature amplitude during measurement (℃), Soil volumetric water content during measurement (m3·m-3), soil mass water content during measurement (%) | 土壤理化性质
Soil physicochemical property | 土壤有机碳含量(g·kg-1), 土壤全氮含量(g·kg-1), 土壤碳氮比, 土壤容重(g·cm-3), 土壤酸碱度
Soil organic carbon content (g·kg-1), soil total nitrogen content (g·kg-1), soil carbon-nitrogen ratio, soil bulk density (g·cm-3), soil pH | 土壤呼吸温度敏感性
Temperature sensitivity of soil respiration | 土壤呼吸温度敏感性(Q10), Van’t Hoff方程的决定系数(R2)
Temperature sensitivity of soil respiration (Q10), the determination coefficient of Van’t Hoff equation (R2) | 观测方法信息
Measurement method information | 开始测量日期, 结束测量日期, CO2测定方法(碱溶液吸收法, 气象色谱法, 红外法), 气室方法(静态密闭气室法, 动态密闭气室法、自动开闭气室法)
Start date of measurement, end date of measurement, CO2 measurement method (Alkali solution absorption, Gas chromatography, Infrared method), chamber method (Static closed chamber, Dynamic closed chamber, Automatic opening and closing chamber) | | 文献信息 Literature information | 参考文献 References |
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